svn-gvsig-desktop / trunk / extensions / extGeoreferencing / src / org / gvsig / georeferencing / ui / zoom / IExtensionRequest.java @ 18620
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/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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*
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* Copyright (C) 2007 IVER T.I. and Generalitat Valenciana.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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*/
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package org.gvsig.georeferencing.ui.zoom; |
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import java.awt.geom.Rectangle2D; |
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/**
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* Interfaz necesario en un ZoomControl para la petici?n de extensi?na un objeto
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* externo cuando se pulsan los botones zoom m?s y zoom menos.
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*
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* 30/12/2007
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* @author Nacho Brodin nachobrodin@gmail.com
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*/
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public interface IExtensionRequest { |
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/**
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* Petici?n de coordenadas al pulsar zoom m?s o zoom menos en el control.
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* Estas coordenadas son calculadas a partir del extent del control actual aplicando
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* un escalado sobre este. La coordenada central del control se mantiene invariante, es
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* decir, el zoom se calcula sobre el centro actual. El escalado del siguiente buffer
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* pasado en setParams ser? de 1.0.
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* @param Rectangle2D extent
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* @return Extent aplicado
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*/
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public Rectangle2D request(Rectangle2D extent)throws InvalidRequestException; |
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/**
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* Extensi?n completa de la capa.
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*/
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public void fullExtent() throws InvalidRequestException ; |
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} |